Pharmacognosy
Also known as: Natural Product Pharmacology · Materia Medica Study
Definition
Pharmacognosy is the branch of pharmacology that focuses on the study of physical, chemical, biochemical, and biological properties of drugs, drug substances, or potential drugs of natural origin. In the Philippines, it is a key scientific discipline for verifying and standardizing medicinal plants and natural dietary supplements. (Wikipedia)
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Pharmacognosy |
| Wikidata | Q190016 |
| DBpedia | Pharmacognosy |
| ProductOntology | N/A |
| Wiktionary | pharmacognosy |
| Library of Congress Subject Headings (LCSH) | Pharmacognosy |
| MeSH | Pharmacognosy |
| NCBI Taxonomy | N/A |
| AGROVOC | c06497c3 |
| Google Scholar | pharmacognosy natural products medicinal plants standardization |
| ConceptNet | pharmacognosy |
| OpenCyc | N/A |
Also Known As
- Natural Product Pharmacology
- Materia Medica Study
Examples and Analogies
Active Marker Standardization: Using pharmacognostic methods to identify the specific xanthones in mangosteen pericarps.
Herbal Authentication: Verifying the botanical identity of raw leaves to prevent contamination in herbal tea manufacturing.
Usage Scenarios
1. Developing a Health Supplement
A research firm conducts chemical profiling on a local plant extract to confirm the presence of active therapeutic compounds.
2. Quality Control in Manufacturing
An herbal manufacturer tests incoming raw materials using thin-layer chromatography to ensure botanical purity.
Strategies
- Apply standardized pharmacognostic reference monographs (such as the Philippine Pharmacopoeia) to validate plant raw materials.
- Collaborate with botanists to secure authenticated voucher specimens for all researched plant species.
Security and Safety Measures
- Screen all natural materials for heavy metals, pesticides, and microbial contaminants before extraction.
- Document batch safety data to comply with FDA requirements for natural product registration.
Historical Context
Modern pharmacognosy emerged in the 19th century as chemical analysis allowed scientists to isolate pure active components from traditional herbs. In the Philippines, systematic study grew in the 20th century, cataloging indigenous plants like lagundi, sambong, and mangosteen, which later transitioned into commercial health products.
Challenges and Controversies
Chemical Complexity
Extracts contain hundreds of compounds, making it difficult to isolate the exact mechanism of action.
Raw Material Consistency
Environmental changes affect the chemical yield of active metabolites in harvested crops.
Related Topic
- Xanthones
- Mangosteen
- Traditional medicine in the Philippines